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Vishay General Semiconductor - Diodes Division SMB10J9.0AHE3/5B
- Part No.:
- SMB10J9.0AHE3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J9.0AHE3/5B.pdf
- Description:
- TVS DIODE 9VWM 15.4VC DO214AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMB10J9.0AHE3/5B from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for high-energy surge protection on DC power rails and signal lines. It features a 9.0 V stand-off voltage (VWM), 10.0–11.1 V breakdown voltage (VBR at 1.0 mA), 15.4 V clamping voltage (VC) at 64.9 A peak pulse current, and 1000 W peak pulse power rating with 10/1000 µs waveform.
For engineers reviewing the SMB10J9.0AHE3/5B datasheet, SMB10J9.0AHE3/5B pinout, SMB10J9.0AHE3/5B application, or SMB10J9.0AHE3/5B equivalent, this device is selected for automotive-grade overvoltage protection where AEC-Q101 qualification, low clamping ratio, and robust surge handling are critical - especially in 12 V battery-supplied ECUs, sensor interfaces, and power supply input stages.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: under normal conditions it presents high impedance (<1.0 µA leakage at 9.0 V), then rapidly avalanches when transient voltage exceeds VBR, limiting downstream voltage to ≤15.4 V at 64.9 A. Its glass-passivated junction ensures stable breakdown and fast response (<1 ns), while the SMB package supports automated SMT placement and meets MSL Level 1 (260 °C reflow).
Designed for unidirectional operation, SMB10J9.0AHE3/5B has cathode polarity marked by a band, complies with ANSI/IEEE C62.35 surge standards, and delivers 100 A non-repetitive forward surge capability (8.3 ms half-sine) - enabling use in circuits subject to load dump or inductive switching transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.0 V - Maximum continuous reverse operating voltage before conduction begins; sets upper limit for safe DC rail operation. |
| VBR (min/max) | 10.0 V / 11.1 V at 1.0 mA - Confirmed avalanche onset range; ensures reliable triggering above nominal 9 V system voltage. |
| VC @ IPPM | 15.4 V at 64.9 A - Clamped voltage during 10/1000 µs surge; defines worst-case stress on protected ICs or MOSFETs. |
| PPPM | 1000 W - Peak pulse power dissipation capability; enables survival of high-energy transients like ISO 7637-2 Pulse 5a. |
| IFSM | 100 A - Non-repetitive forward surge rating (8.3 ms); supports protection against automotive load dump events. |
| TJ max | +150 °C - Maximum junction temperature; allows operation in under-hood automotive environments. |
| AEC-Q101 | Qualified - Validated for automotive electronic systems per stress test requirements including HTOL, TCT, and ESD. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, molded plastic case with matte tin-plated leads; dimensions 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); polarity indicated by cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to ground or return path; carries full surge current during clamping event. |
| Cathode | High-side connection point | Connected to protected line (e.g., 12 V rail or signal); marked by color band; reverse-biased during normal operation. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive electronics including temperature cycling, humidity bias, and mechanical shock testing. |
| Glass-passivated junction | Ensures stable VBR tolerance, low leakage drift over time, and resistance to moisture-induced degradation. |
| Low clamping ratio (VC/VBR) | 1.54 (15.4 V / 10.0 V) - Minimizes overvoltage stress on downstream components during surge events. |
| MSL Level 1 compliance | Rated for peak reflow temperature of 260 °C - compatible with standard lead-free PCB assembly processes without baking. |
| RoHS-compliant & halogen-free option | HE3 suffix denotes RoHS-compliant construction; HM3 variant adds halogen-free molding compound for enhanced environmental safety. |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input |
|---|---|
Use Scenario: Protecting microcontroller GPIOs and CAN transceiver power pins from load dump and alternator ripple in 12 V vehicle electrical systems. IC Role / Device Role / Timing Role: Shunt-type transient suppressor placed between VBAT and GND, triggered within nanoseconds upon overvoltage detection. Use Value: Limits voltage to ≤15.4 V during 1000 W surges, preventing latch-up or gate oxide damage in 3.3 V/5 V logic devices powered from regulated 12 V supplies. | Use Scenario: Safeguarding 24 V DC digital input channels in programmable logic controllers exposed to relay coil flyback and field wiring transients. IC Role / Device Role / Timing Role: Primary front-end protection element mounted directly at connector entry point, preceding series current-limiting resistor and optocoupler. Use Value: Withstands ≥64.9 A peak pulses without degradation, maintaining <1.0 µA leakage at 24 V nominal - ensuring long-term reliability and minimal false triggering. |
| Automotive Camera Power Supply | USB-C Port VBUS Protection |
Use Scenario: Securing 12 V input to image sensor modules in ADAS cameras subjected to ISO 16750-2 supply voltage transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed upstream of DC-DC converter input, clamping surges before they reach sensitive buck regulator ICs. Use Value: 1000 W rating and 15.4 V clamping enable compliance with ISO 7637-2 Pulse 5a (load dump), protecting converters rated for ≤16 V absolute maximum input. | Use Scenario: Overvoltage protection on USB-C VBUS line in host devices where accidental 20 V PD negotiation or hot-plug surges may occur. IC Role / Device Role / Timing Role: Secondary-level clamp after primary fuse and common-mode choke, absorbing residual differential-mode transients. Use Value: Fast response and low VC ensure protected Type-C controller ICs (e.g., TUSB546) remain below 16 V absolute max rating during 10/1000 µs events up to 64.9 A. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ9.0A-E3/5B | Same SMB package and VWM/VBR/VC specs, but commercial-grade (non-AEC-Q101 qualified). | Lacks automotive qualification; unsuitable for under-hood or safety-critical modules requiring AEC validation. | Select SMBJ9.0A-E3/5B only for cost-sensitive industrial or consumer designs without automotive compliance needs. |
| 1.5SMC9.0A | Higher package thermal resistance (RθJA ≈ 110 °C/W vs. 72 °C/W), lower IPPM (64.9 A vs. 63.5 A), same VC and PPPM. | SMC package is larger (7.11 mm × 6.22 mm) and less suitable for dense automotive PCB layouts. | Choose 1.5SMC9.0A only if board space permits larger footprint and AEC-Q101 is not required. |
Compared with SMBJ9.0A-E3/5B and 1.5SMC9.0A, SMB10J9.0AHE3/5B uniquely combines AEC-Q101 qualification, SMB footprint efficiency, and optimized thermal performance - making it the preferred choice for space-constrained automotive electronics requiring validated reliability.
Availability
SMB10J9.0AHE3/5B is available at Aetrix Electronics and suitable for automotive body control units, industrial PLC inputs, ADAS camera power supplies, and USB-C VBUS protection requiring stable component supply across production lifecycles.
Supply support for SMB10J9.0AHE3/5B includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, MOSFETs, and protection devices with emphasis on reliability, precision, and automotive-grade validation.
The SMB10J series belongs to Vishay's TRANSZORB® TVS family, engineered specifically for high-power-density, AEC-Q101-compliant transient suppression in harsh automotive and industrial environments.
FAQ
What is the clamping voltage of SMB10J9.0AHE3/5B at its rated peak pulse current?
The SMB10J9.0AHE3/5B has a maximum clamping voltage (VC) of 15.4 V when subjected to its specified peak pulse current of 64.9 A using a 10/1000 µs waveform. This value is measured and guaranteed per Vishay's datasheet Document Number 88422, ensuring predictable overvoltage limiting for protected circuitry downstream of SMB10J9.0AHE3/5B.
Is SMB10J9.0AHE3/5B suitable for automotive applications?
Yes, SMB10J9.0AHE3/5B is AEC-Q101 qualified and explicitly intended for automotive use. Its qualification covers temperature cycling, high-temperature operating life, and mechanical shock testing. The HE3 suffix confirms RoHS compliance and automotive-grade reliability, making SMB10J9.0AHE3/5B appropriate for engine control units, infotainment systems, and ADAS sensors.
What does the "HE3/5B" suffix mean in SMB10J9.0AHE3/5B?
The "HE3" suffix indicates RoHS-compliant construction and AEC-Q101 qualification; "5B" specifies packaging in 13-inch diameter plastic tape and reel with 3200 units per reel. This ordering code ensures traceable, automotive-grade sourcing with standardized SMT-ready delivery - distinct from commercial variants like SMBJ9.0A-E3/5B which lack AEC-Q101 validation.
How does SMB10J9.0AHE3/5B differ from bidirectional TVS diodes like SMB8J9.0CA?
SMB10J9.0AHE3/5B is unidirectional and intended for DC line protection with defined polarity (cathode band), whereas SMB8J9.0CA is bidirectional and used for AC or symmetrical signal-line protection. SMB10J9.0AHE3/5B offers higher peak pulse power (1000 W vs. 800 W) and higher IPPM (64.9 A vs. 51.9 A), making it better suited for high-energy DC transients such as automotive load dump.
What is the maximum junction temperature rating for SMB10J9.0AHE3/5B?
The SMB10J9.0AHE3/5B has a maximum junction temperature (TJ) rating of +150 °C, verified per Vishay's thermal characterization data. This allows reliable operation in under-hood automotive environments and high-ambient industrial settings, provided PCB copper pad layout follows the recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) thermal relief per terminal as specified in the SMB10J9.0AHE3/5B datasheet.
SMB10J9.0AHE3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9V
- Voltage - Breakdown (Min):
- 10V
- Voltage - Clamping (Max) @ Ipp:
- 15.4V
- Current - Peak Pulse (10/1000µs):
- 64.9A
- Power - Peak Pulse:
- 1000W (1kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMB10J9.0AHE3/5B FAQ
1.How can I place an order for SMB10J9.0AHE3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J9.0AHE3/5B on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SMB10J9.0AHE3/5B reliable?
The price and inventory of SMB10J9.0AHE3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J9.0AHE3/5B is usually 5 days.
3.What payment methods are accepted for SMB10J9.0AHE3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J9.0AHE3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J9.0AHE3/5B?
SMB10J9.0AHE3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J9.0AHE3/5B order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SMB10J9.0AHE3/5B?
For technical support, including SMB10J9.0AHE3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J9.0AHE3/5B requirements.
6.How does Aetrix verify that SMB10J9.0AHE3/5B is sourced from the original manufacturer or authorized distributors?
All SMB10J9.0AHE3/5B products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SMB10J9.0AHE3/5B meets industry standards.
7.What is the process for return or replacement of SMB10J9.0AHE3/5B?
All SMB10J9.0AHE3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J9.0AHE3/5B, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SMB10J9.0AHE3/5B part is unused and in its original packaging.
Return procedure for SMB10J9.0AHE3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J9.0AHE3/5B Tags
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Diodes Incorporated
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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